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Catapleiite and Corundum Physical Properties


Corundum and Catapleiite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
insoluble   

Durability
Not Available   
Not Available   

Specific Gravity
2.72   
3.90-4.05   

Fracture
Brittle, Metallic, Brittle, Metallic   
Uneven, Uneven, Gems, Difficult, Fibrous   

Cleavage
{110} Perfect, {010} Perfect   
None – parting in 3 directions   

Mohs Hardness
5-6   
9   

Chemical Composition
Na 2ZrSi 3O 9 · 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)   
Al 2O 3Arthur Thomas , Gemstones (2009)   

Optical Properties >>
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Catapleiite and Corundum Chemical Formula

While comparing Catapleiite and Corundum physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Catapleiite and Corundum chemical formula.

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Catapleiite and Corundum Specific Gravity

Another important criteria for qualitative analysis of gemstones is Catapleiite and Corundum Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Catapleiite and Corundum Optical Properties during the identification of gemstone. Specific gravity of Catapleiite is 3.90-4.05 whereas that of Corundum is 3.90-4.05.

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Gems Found In Africa


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